12. 42 Towards the capture of Tripoli, Algeria and Tunisia.
With O’Connor’s troops fighting along the coast towards Tripoli there was a vast open flank on their left leading down into the Sarah Desert. Whilst forces were in place to guard this flank the LRDG with RAF support had been charged with a long sweep out to the south and west to where the borders of Libya, Tunisia and Algeria all met. Their task was threefold. Establish a route from the forward British bases to the Tunisian and Algerian borders. This would include mapping any wells and water supplies as well as the location of suitable landing areas for the establishment of forward airfields to defend and supply the route. The second task was to reconnoitre the Libyan town of Ghadamis to observe the Italian presence in the Old walled town and assess the Oasis as a potential supply base.
The third task was to facilitate the insertion of Free French personnel into the Algerian town of Bordi Messaoudia from where some of them would proceed to Tunisia to sound out the Vichy French attitudes there.
Though the town of Ghadames was almost five hundred kilometres from Tripoli the Army staff were considering instigating a very long left hook around the Axis forces now in Libya by sending a mobile force into Tunisia via the oasis at Ghadames. The capture of the oasis and the establishment of an airbase there could have a much wider strategic influence than would be assumed at first glance.
The close support being supplied by the RAF to the Army in this desert campaign as it transitioned into the hillier country of the far west of Libya was proving fundamental to the Armies success. Whatever the limitations of the rocket firing Hurricanes in terms of accuracy were, nobody could doubt their effectiveness in suppressing and pinning in place Axis units. Also their effect on the logistics and supply lines could not be over emphasised. The pilots had been made very aware that a supply convoy or even a single lorry was as significant target as any artillery piece, tank or infantry formation.
The RAF efforts from Malta as well as basis in Tripolitania to prevent supplies landing in the Libyan ports or being sent towards the front line in coastal shipping were also bearing fruit. Combined with the navy’s efforts the British intelligence services were calculating that between seventy five and ninety percent of supplies and personnel being sent to the Axis forces in Libya were being intercepted and destroyed.
With the Spitfires now effectively controlling the airspace over Malta the RAF there under directions from Sir Keith Park were using the Hurricane squadrons on the island aggressively in the daylight interdiction of any Axis air transport or shipping within range of Malta. At night the ASV equipped bombers, torpedo aircraft and the night fighters were continuing what was in effect a blockade of Tripoli and the Libyan coast
It soon became evident that supplies and personnel for the Axis in Libya were now being shipped to ports in both Tunisia and Algeria in what was supposedly neutral Vichy shipping. Mindful of the political implications if the RN and RAF summarily sunk Vichy shipping carrying civilians warnings by political channels had been issued and broadcast. Whilst the ports were not attacked directly by the RAF Any shipping that had been tracked from an Axis port was attacked. An extra burden now fell on the RAF Maritime Command in the Mediterranean in that they were given the task of trying to track every ship leaving a Vichy controlled port and sailing to North Africa.
Throughout June O’Connor’s force now being called the ‘Desert Army ‘ was pushing forward towards Tripoli, The earlier wild charges across the desert and huge territorial gains of the advance from Egypt had been replace by a slow and deliberate advance against an enemy who whilst fighting a defensive battle would counter attack and exploit any weakness to the full. Both sides were constrained by the frailty of their logistics and this campaign would be dictated by two factors. Firstly who could keep his forces supplied and able to manoeuvre and which air force had command of the skies over the battlefield and its hinterland.
Despite having by fare the longer logistic tail by the end of June it was becoming clear that the Allies were winning on both counts in the war in Tripolitania.
The big question now for the Allies was what would the Axis do in response. Would they chuck in their hand and abandon Tripolitania completely and evacuate their troops, or retreat into Tunisia where the Mareth line could well be held.
War is so often about the happenstance of timing, the German assault on Russia came at the perfect time for the allies to enable them to continue their advance towards Tripoli. If the Axis had been able to carry out their planned assault on Crete and had succeeded in capturing that island the whole viability of the logistical support of an allied army in the western desert could have become problematical. With the successful occupation of the Vichy controlled Lebanon and Syria in early July that axis of threat was removed.
With the Levenant, Arabia and east Africa all now secure Wavell and Tedder could in mid July carry out a major reallocation of forces.
With Agreement of the Greek Government those Greek units training in Egypt that were available were sent to continue training in the Levanent. This enable particularly British and Colonial forces to be withdrawn and give the semblance to the French colonial people that they were not an occupied country merely hosting the army of another occupied nation.
With the agreement of the South African Government as many of the SAAF squadrons in the Middle East as possible were being gathered together in North Africa to form a cohesive unit of South African composition much in the model of the Polish Air Contingent.
Another feature of the desert war had been the use of RAF ground units to provide security at air fields and the field squadrons including armoured cars for reconnaissance of forward landing fields, the seizing of enemy airfields and the defence thereof. This released Army units for the main forces and gave the Desert Air force a degree of independence and operational flexibility. By June 1940 under Tedder’s command there were three types of ground force squadrons in North Africa. These were airfield Defence (Guard Squadrons), Anti Aircraft Squadrons and Ground Reconnaissance Squadrons.
These were all distinct to the Forward Ground Controllers who were embedded with and part off the Army units that hosted them.
By the end of June Wavell had the following land forces available under his Command.
7th Armoured Division.
2nd Armoured Division. Currently minus one Brigade that was rebuilding after action in Syria.
6th British Division
9th British Division
22th British Division
4th Indian Division
7th Australian Division
9th Australian Division
6th Australian Division rebuilding
1st New Zealand Division rebuilding
1st South African Division
1st Light Free French Division forming in Syria
Polish Independent Carpathian Brigade currently on Crete with the PAC.
Two Greek Divisions reforming, one on Crete the other in Egypt.
As of July the Greek Division in Egypt relocated to Syria where it takes up security duties and continues to train.
The ANZAC divisions where possible are deployed in one or two Corps.
Where possible the RAF Command will keep RAAF squadrons with the ANZAC Divisions and the SAAF squadrons with the South African Divisions.
In July the ad hoc RAF airfield defence units have been formed into Squadrons with Squadrons numbers in the Seven hundred range, this has taken place in the UK and the Mediterranean theatre.
With these forces available Wavell could keep two full two Corps engage in Tripolitania and either rotate out individual Divisions or the entire Corps as they became battle worn and tired. The limiting factor on keeping a greater force engage in the offensive was a combination of the logistics of supplies inro Egypt and then from Egypt to the front. Currently supplies were arriving in Egypt and a rate greater than they could be moved forward into Tripolitania to support more than two Corps.
Action was being taken to improve this flow forward which included the extension of the railway west through to Benghazi, which was a long term project working both from Benghazi east wards and from Mersa Metruth westwards. The improvement of port facilities all along the coast was also in hand as was the finding and allocation of suitable shipping. However the situation would not be greatly improved until Tripoli and its port could be captured.
It was a given that the Germans and the Italians would do everything in their power not only to hold Tripoli as long as possible but to ensure that if and when it was lost it was as a port completely and utterly destroyed.
How to capture Tripoli and its port in as intact condition as possible was vexing the minds of all commands in the middle east.